Home Engine Systems Performance Water Exhaust Hoses Series 250 Hardwall 12-1/2’ Wet Exhaust Hose – Single Wire (3-1/2”) MPI Products Series 250 Hardwall 12-1/2’ Wet Exhaust Hose – Single Wire (3-1/2”) $366.99 Series 250 Hardwall 12-1/2’ Wet Exhaust Hose – Single Wire (3-1/2”) quantity Add to cart